JimPooley writes "The European Space Agency are conducting a feasibility study into a future mission to knock an asteroid off course. A Spanish company are planning the 'Don Quixote' mission to launch a pair of spacecraft at an asteroid. One hits the asteroid, while the other monitors it to see what happens."
"Hey Ivan, check your six."
-- Sidewinder missile jacket patch, showing a Sidewinder driving up the tail
of a Russian Su-27